sensor technology in india r.k. gupta, b. singh, p. chandna, r.k. sharma, m.l. jat
TRANSCRIPT
Sensor Technology in IndiaSensor Technology in India
R.K. Gupta, B. Singh, P. Chandna, R.K. Sharma, M.L. JatR.K. Gupta, B. Singh, P. Chandna, R.K. Sharma, M.L. Jat
4 locations across india< 12 studiesUsed in:
WheatRiceSugarcane
Data was collected using both GreenSeeker and Crop CircleFuture Uses:
Variety SelectionSatellite Correlations for
yield estimations
INSEY and Yield relationships in Wheat
0.00
1.00
2.00
3.00
4.00
5.00
6.00
0.000 0.200 0.400 0.600 0.800 1.000
Karnal05 Karnal06 Ludhiana05 Ludhiana06V
Ludhiana06 Modipuram06
NDVI
Yie
ld,
t/h
a
.
y = 0.6114e2.5876x
R2 = 0.7665
Feekes 7-8
Treatment No.
Fertilizer N applied (kg N ha-1) at Grainyield (t/ha)
%N in wheat grain
Total N uptake (kg/ha)
Basal Crown root initiation
Feekes 5-6 stage,Around 50 DAS
Feekes 7-8 stage,Around 80-85 DAS
Total
1 0 0 - 0 1.52 1.47 32
2 60 60 - 120 4.35 1.75 103
3 75 75 - 150 4.41 1.81 110
4 60 0 17 77 3.66 1.51 73
5 80 0 12 92 3.80 1.67 88
6 100 0 10 110 4.20 1.64 95
7 40 40 3 83 3.81 1.65 89
8 50 50 0 100 4.32 1.64 99
9 60 60 0 120 4.39 1.73 105
10 60 0 - 29 89 3.99 1.77 94
11 80 0 - 24 104 4.13 1.72 98
12 100 0 - 21 121 4.29 1.81 102
13 40 40 - 18 98 4.27 1.73 101
14 50 50 - 12 112 4.35 1.85 109
15 60 60 - 15 135 4.40 1.92 115
LSD (p=0.05) 0.367 0.148 11
INSEY and Yield relationships in Rice INSEY vs Yield relation 30 DAS
y = 2E+07x3.2739
R2 = 0.3724
0.00
10.00
20.00
30.00
40.00
50.00
60.00
0.000 0.005 0.010 0.015 0.020 0.025
INSEY
Yie
ld,
q/h
a
INSEY Vs Yield relation 40 DAS
y = 14682x1.4312
R2 = 0.203
0.00
5.00
10.00
15.00
20.00
25.00
30.00
35.00
40.00
45.00
50.00
0.000 0.002 0.004 0.006 0.008 0.010 0.012 0.014 0.016 0.018 0.020
INSEY
Yie
ld,
q/h
a
INSEY vs Yield relation 50 DAS
y = 31493x1.5954
R2 = 0.4237
0.00
10.00
20.00
30.00
40.00
50.00
60.00
0.000 0.002 0.004 0.006 0.008 0.010 0.012 0.014 0.016 0.018 0.020
INSEY
Yie
ld,
q/h
a
INSEY vs Yield relation 61 DAS
y = 1E+06x2.3453
R2 = 0.8958
0.00
10.00
20.00
30.00
40.00
50.00
60.00
0.000 0.002 0.004 0.006 0.008 0.010 0.012 0.014
INSEY
Yie
ld,
q/h
a
INSEY vs Yield relation 71 DAS
y = 47204x1.5729
R2 = 0.9443
0.00
5.00
10.00
15.00
20.00
25.00
30.00
35.00
40.00
45.00
50.00
0.000 0.002 0.004 0.006 0.008 0.010 0.012 0.014
INSEY
Yie
ld,
q/h
a
INSEY vs Yield relation 84 DAS
y = 17785x1.3353
R2 = 0.9124
0.00
5.00
10.00
15.00
20.00
25.00
30.00
35.00
40.00
45.00
50.00
0.000 0.002 0.004 0.006 0.008 0.010 0.012
INSEY
Yie
ld,
q/h
a
INSEY vs Yield relation 92 DAS
y = 14964x1.267
R2 = 0.9611
0.00
5.00
10.00
15.00
20.00
25.00
30.00
35.00
40.00
45.00
50.00
0.000 0.002 0.004 0.006 0.008 0.010 0.012
INSEY
Yie
ld,
q/h
a
INSEY vs Yield relation 104 DAS
y = 528685x1.9778
R2 = 0.9535
0.00
5.00
10.00
15.00
20.00
25.00
30.00
35.00
40.00
45.00
50.00
0.000 0.001 0.002 0.003 0.004 0.005 0.006 0.007 0.008 0.009 0.010
INSEY
Yie
ld,
q/h
a
y = 0.0002x + 0.6072R2 = 0.461
0.500
0.550
0.600
0.650
0.700
0 60 120 180 240 300 360
NDVILinear (NDVI)
y = 0.0001x + 0.705R2 = 0.741
0.650
0.700
0.750
0 60 120 180 240 300 360
NDVILinear (NDVI)
75 DAP 105 DAP
y = 0.0002x + 0.6033R2 = 0.6568
0.55
0.60
0.65
0.70
0 100 200 300
NDVI
Linear (NDVI)
y = 4E-05x + 0.7007R2 = 0.0889
0.690
0.700
0.710
0.720
0.730
0 100 200 300
NDVI
Linear (NDVI)
75 DAP
105 DAP
NDVI and N Rate in SugarcaneNDVI and N Rate in SugarcaneAll Applied as Preplant
Applied in two splits
Date ofobservation
Days afterseeding
Correlation of NDVI with yield and biomass
GreenSeeker Amber Sensor
Yield Biomass Yield Biomass
22.12.04 30 0.639 0.672 0.557 0.579
11.01.05 50 0.724 0.771 0.563 0.602
22.01.05 61 0.910 0.922 0.948 0.962
01.02.05 71 0.972 0.979 0.977 0.983
14.02.05 84 0.982 0.977 0.982 0.972
22.02.05 92 0.975 0.972 0.979 0.972
05.03.05 104 0.964 0.966 0.979 0.977
14.03.05 113 0.936 0.953 0.983 0.978
Questions?Questions?Questions?Questions?